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CVE-2007-4567

7.8 · HIGH

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.22 does not properly validate the hop-by-hop IPv6 extended header, which allows remote attackers to cause a denial o…

Published Dec 21, 2007linuxCWE-20EPSS 14.34%

Overview

CVE-2007-4567 is a high-severity vulnerability affecting linux linux_kernel. It was published on December 21, 2007 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.22 does not properly validate the hop-by-hop IPv6 extended header, which allows remote attackers to cause a denial of service (NULL pointer dereference and kernel panic) via a crafted IPv6 packet.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel0Affected

References

Refbugzilla.kernel.org/show_bug.cgi?id=8450Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e76b2b2567b83448c2ee85a896433b96150c92e6Refsecunia.com/advisories/25505Refsecunia.com/advisories/28170Refsecunia.com/advisories/28706Refsecunia.com/advisories/38015Refwww.redhat.com/support/errata/RHSA-2010-0019.htmlRefwww.redhat.com/support/errata/RHSA-2010-0053.htmlRefwww.securityfocus.com/bid/26943Refwww.ubuntu.com/usn/usn-574-1

How CyberStrike helps

Frequently asked questions

What is CVE-2007-4567?

CVE-2007-4567 is a high-severity vulnerability affecting linux linux_kernel. It was published on December 21, 2007 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2007-4567?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-4567?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2007-4567?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-4567 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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